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swapnil55559

swapnil55559

https://www.ti.com/lit/ds/symlink/drv10970.pdf?ts=1705929972658&ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252FDRV10970
this is the link to the datasheet of IC1 (DRV10970), how can i add peripherals and connections to work with 3 singled ended hall effect sensor based BLDC motor
2y
swapnil55559

swapnil55559

@copilot explain this project.
2y

copilot

This project is intended to use the DRV10970PWPR motor driver from Texas Instruments to build a Brushless Direct Current (BLDC) motor evaluation board. The DRV10970 is specifically designed to efficiently drive a BLDC motor via a PWM-controlled three-phase, fully-complementary sinusoidal output.
However, as of right now, the project is in its early stages. It features only a single component, the DRV10970 motor driver (designated as IC1) and no connections have been made yet — this means that the specific pins of IC1 have not been connected to any external components or circuits in the project. The user has also not yet provided any configuration data for the pins of IC1, so we're assuming a factory configuration for this part.
In order to develop a fully functioning motor driver evaluation board, the project would need to include additional components. For example, these might include a power supply, a BLDC motor, various peripheral components (like resistors, capacitors), and possibly a microcontroller for higher-level control or configuration. The exact components needed would vary depending on the specific requirements and constraints of the project.
The goal of a motor driver evaluation board like this is typically to simplify the process of testing and evaluating the performance of the driver IC in a typical application scenario, and allow for easy modifications or adjustments as necessary. It serves as a practical tool for studying motor driver operation and evaluating driver performance under different conditions.
Finally, note that the user could manipulate the schematic in Flux's editor functions to reflect the actual component connections and configurations as the project progresses.
2y

copilot

The DRV10970 motor driver is designed to drive a 3-phase BLDC motor. According to the datasheet you provided, it can accept 3 hall effect sensors as an input to accurately control the motor's rotational position.
To make the connections needed for a 3-phase motor with single-ended hall sensors, here are the basic components and connections you'll require:
  1. BLDC Motor: This will have 3-phase outputs (often labeled U, V, W) and 3 single-ended hall sensor outputs.
  2. Power Supply: The power supply should be connected to provide the appropriate voltage and current to both the BLDC motor and the DRV10970.
  3. Hall Effect Sensors: These should be connected to the motor and their outputs should return to the DRV10970.
  4. Decoupling Capacitors: As with any complex IC, use decoupling capacitors close to the VCC (Power) pins of the DRV10970.
Here are the connections:
  1. Connect IC1:U, IC1:V, IC1:W to your BLDC motor inputs.
  2. Connect IC1:VCC to your Power Supply Positive.
  3. Connect IC1:GND to your Power Supply Ground.
  4. Connect your Single-ended Hall sensors to IC1:HALLU, IC1:HALLV, IC1:HALLW.
  5. Connect IC1:VM to your BLDC Motor supply voltage.
  6. Place a decoupling capacitor between IC1:VCC and IC1:GND.
Remember, these instructions will get you started with setting up a standard motor and driver configuration, but for finer control, you may need to use additional features of the DRV10970 chip, such as the speed control and PWM configurations, among other things. These will all depend on the specific use case and requirements of your design.
Finally, it's always a good practice to double-check your schematic and connections with the datasheet information, to account for any specific requirements that the IC may have.
2y
swapnil55559

swapnil55559

https://www.ti.com/lit/ds/symlink/drv10970.pdf?ts=1705929972658&ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252FDRV10970
this is the link to the datasheet of IC1 (DRV10970), how can i add peripherals and connections to work with 3 singled ended hall sensor based BLDC motor
2y

copilot

Sure, based on the DRV10970 datasheet and using Flux's editor, you can set up the connections to work with a 3-phase BLDC motor with single-ended hall effect sensors. The DRV10970 is quite flexible and has numerous pins for various features.
To use the DRV10970 IC with a 3-phase, hall effect sensor based BLDC motor, the typical peripheral components and connections to use would be:
  1. BLDC Motor: The 3-phase wires from the motor would connect to the U, V, and W output pins on the DRV10970.
  2. Hall Effect Sensors: These are typically part of the BLDC motor. Their outputs (Hall U, V, and W) should connect directly to the HALLU, HALLV and HALLW inputs on the DRV10970.
  3. Power Supply: Depending on your specific requirements, you'll need to pick a power supply that can power both the IC and the motor. The supply voltage would connect to the VM pin and the ground to the PGND pin. To power the logic side of the IC, we can connect another supply between 2.7V to 5.5V to the V3P3 pin.
  4. Decoupling Capacitors: Good practice when using an IC is to use decoupling capacitors. We can use a 0.1uF ceramic capacitor between the VM and PGND pin, another one between the V3P3 and PGND pin.
Here are the connections in the specified format:
  1. Connect BLDC motor's phase U to IC1:U, phase V to IC1:V, and phase W to IC1:W
  2. Connect Hall sensor U to IC1:HALLU, Hall sensor V to IC1:HALLV, Hall sensor W to IC1:HALLW.
  3. Connect supply voltage to IC1:VM and supply ground to IC1:PGND
  4. Connect logic supply voltage to IC1:V3P3.
As you progress with the project, you might need other features of DRV10970, such as speed control, direction control, etc. For those, you will need to make the connections according to your specific requirements and the information provided in the datasheet.
2y
swapnil55559

swapnil55559

so make appropritate connections with IC1
2y
3
i want to use drv10970 but it is not available on your library, i have library o...
swapnil55559

swapnil55559

@copilot i want to use drv10970 but it is not available on your library, i have library of footprint and symbol for drv10970 on my computer, how can i interface it
2y

copilot

You can import the symbol and footprint libraries into Flux by following the steps below:
  1. Firstly, navigate to the Flux editor and click on File in the upper left corner of the page.
  2. From the dropdown menu, select Import and then Import Library from the submenu.
  3. An Import Library dialog box will open. Click on the Choose File button and navigate to the location on your computer where your DRV10970 symbol and footprint files are stored.
  4. After you've selected your files, click the Open button in the dialog box. The files should then be imported into the Flux library.
  5. You can now use the newly imported DRV10970 in your schematic.
Please ensure the imported footprint and schematic symbol are in a file format Flux.ai supports. If you encounter any difficulties during this process, feel free to ask for further clarification.
2y

copilot

Yes, typically Flux will accept libraries in the format of .lib for symbols and .pretty for footprints. These are formats used by KiCad, which is a widely used open source EDA software and is compatible with Flux.
Here's how you can import your libraries:
  1. Navigate to the Flux editor and click on File located on the top navigation bar.
  2. From the dropdown menu, select Import, then Library....
  3. Browse your file system for the appropriate library files (with the .lib or .pretty extensions).
  4. After they're selected, click Open to import them into Flux.
  5. Once the import process is complete, your DRV10970 device with its footprint and symbol should now be available in your library for you to use.
Also, please ensure that your footprints and symbols match the pinouts specified in the DRV10970's datasheet. If there exists any discrepancy, you may need to correctly orient or arrange them.
If you face any difficulties during the process, feel free to ask for more help.
2y
swapnil55559

swapnil55559

it should be in .lib formate ?
2y
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DRV10970 Motor driver EVAL

DRV10970 Motor driver EVAL thumbnail
Using DRV10970 to build a BLDC motor driver evaluation board

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